OpenTechnical

OT-2026-000068913

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000068913) never changes.

Identity and time

Publication numberOT-2026-000068913 · never reused
Internal UUID01a0ae90-6dcc-75ed-aed2-b596c041f561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068913
StatusPUBLIC

Content hashes

Canonical textd3e6ec4aa3a5c8e34cfd58232473c25edb36f5078322c1bed18c160b7dcffd96
Markdownf8bad44067c3954fa015ef37c17bc40e0629b0a41189066c99e9e479f51a0dfb
PDF
Publication page6b5f1326a57ee9b46efb369f439b1b9949e92c5579acf2d61c61a4a5c6b3e030
Manifest56cc982476f9f2ed4055a0cff93f5a73950552a40c9b5076d337700ae2da5d64

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUQG60HIqmHwnuRnEE1Js2v0UFNFTp2GbfMPUpzNZ2PmRSrzrtFxxh/6KB3mX8CxzY43VncqruhO702of0HylBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:44.294216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068913
observed 6b5f1326a57ee9b46efb369f439b1b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.277098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068913/manifest.json
observed 56cc982476f9f2ed4055a0cff93f5a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.260532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068913/publication.md
observed f8bad44067c3954fa015ef37c17bc40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.244109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068913/publication.txt
observed d3e6ec4aa3a5c8e34cfd58232473c25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.